385212740 has 48 divisors (see below), whose sum is σ = 920868480. Its totient is φ = 133985280.

The previous prime is 385212739. The next prime is 385212781. The reversal of 385212740 is 47212583.

It is a junction number, because it is equal to n+sod(n) for n = 385212697 and 385212706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33005 + ... + 43124.

It is an arithmetic number, because the mean of its divisors is an integer number (19184760).

Almost surely, 2^385212740 is an apocalyptic number.

It is an amenable number.

385212740 is an abundant number, since it is smaller than the sum of its proper divisors (535655740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385212740 is a wasteful number, since it uses less digits than its factorization.

385212740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76172 (or 76170 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 385212740 is about 19626.8372388421. The cubic root of 385212740 is about 727.6126048424.

The spelling of 385212740 in words is "three hundred eighty-five million, two hundred twelve thousand, seven hundred forty".